package com.common.platform.base.config.redis;


import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;

import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;

public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T> {
    public static final Charset DEFAULT_CHARSET = StandardCharsets.UTF_8;

    private Class<T> clazz;

    public FastJson2JsonRedisSerializer(Class<T> clazz) {
        this.clazz = clazz;
    }

    public byte[] serialize(T t) throws SerializationException {
        if (t == null)
            return new byte[0];
        return JSON.toJSONString(t, new SerializerFeature[]{SerializerFeature.WriteClassName}).getBytes(DEFAULT_CHARSET);
    }

    public T deserialize(byte[] bytes) throws SerializationException {
        if (bytes == null || bytes.length <= 0)
            return null;
        String str = new String(bytes, DEFAULT_CHARSET);
        return (T) JSON.parseObject(str, this.clazz);
    }
}

